maths-化簡代數
回答 (3)
2007-11-01 3:48 am
✔ 最佳答案
1 x-------- - -------------
x - 4 (4 - x)^2
1 x
= -------- - -------------
x - 4 (x - 4)^2
x -4 x
= ------------ - -------------
(x - 4)^2 (x - 4)^2
x -4 - x
= ---------------
(x - 4)^2
4
= - ---------------
(x - 4)^2
參考: 自己~你再加油學下啦~
2007-11-04 2:39 am
｛（１） ／ （ｘ－４）｝ － ｛（ｘ）／（４－ｘ）^２｝
= x-4/(x-4)^2-x/(x-4)^2
= x-4-x/(x-4)^2
= -4/(x-4)^2
= -4/x^2-8x+16
5知使5使化簡..我幫你化左..=]
= x-4/(x-4)^2-x/(x-4)^2
= x-4-x/(x-4)^2
= -4/(x-4)^2
= -4/x^2-8x+16
5知使5使化簡..我幫你化左..=]
參考: ME DO..
2007-11-01 3:56 am
1 x
-------- - -------------
x - 4 (4 - x)^2
1 x
= -------- - -------------
x - 4 (x - 4)^2
x -4 x
= ------------ - -------------
(x - 4)^2 (x - 4)^2
x -4 - x
= ---------------
(x - 4)^2
4
= - ---------------
(x - 4)^2
-------- - -------------
x - 4 (4 - x)^2
1 x
= -------- - -------------
x - 4 (x - 4)^2
x -4 x
= ------------ - -------------
(x - 4)^2 (x - 4)^2
x -4 - x
= ---------------
(x - 4)^2
4
= - ---------------
(x - 4)^2
參考: 我哥哥
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